Diet for improving immune system
Feeding your body certain foods may help keep your immune system strong. If you're looking for ways to prevent winter colds and the flu, your first step should be a visit to your local grocery store. Plan your meals to include these 15 powerful immune system boosters.
Most people turn to vitamin C after they've caught a cold. That’s because it helps build up your immune system. Vitamin C is thought to increase the production of white blood cells. These are key to fighting infections.
Popular citrus fruits include:
- grapefruit
- oranges
- tangerines
- lemons
- limes
- clementines
Nutritional facts about citrus fruit
| contains |
Orange
|
Grapefruit
|
Tangerine
|
Weight (g)
|
131
|
236
|
84
|
Energy (kcal)
|
62
|
78
|
37
|
Fibre content (g)
|
3.1
|
2.5
|
1.7
|
Ascorbic acid (mg)
|
70
|
79
|
26
|
Folate (mcg)
|
40
|
24
|
17
|
Potassium (mg)
|
237
|
350
|
132
|
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